Home / 367,415,999.40-551,123,999.10-205,836,940.20

Finding the Fourth Proportional to 367,415,999.40, 551,123,999.10 and 205,836,940.20

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Solution

The fourth proportional to 367,415,999.40, 551,123,999.10 and 205,836,940.20 is: 308,755,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,415,999.40 : 551,123,999.10 = 205,836,940.20 : x
  2. Step 2: Convert to fraction form
    367,415,999.40/551,123,999.10 = 205,836,940.20/x
  3. Step 3: Cross multiply
    367,415,999.40x = 551,123,999.10 × 205,836,940.20
  4. Step 4: Simplify right side
    367,415,999.40x = 113,441,677,645,531,552
  5. Step 5: Solve for x
    x = 113,441,677,645,531,552/367,415,999.40
  6. Step 6: Final answer
    x = 308,755,410.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.